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David McComb's Images

Title: Retired
Organization: USDA Forest Service
Country: United States
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4 Images of 2 Subjects View Subject List View Image Details View Thumbnails

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Image Subject Name Scientific Name Description
1678033 Douglas-fir tussock moth Orgyia pseudotsugata egg survey
1678017 western spruce budworm Choristoneura freemani collecting lavae with basket
1678030 Douglas-fir tussock moth Orgyia pseudotsugata virus survey-infected larva
1678031 Douglas-fir tussock moth Orgyia pseudotsugata virus survey-infecting larva

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